qemu-io: Name the image path by means of test.tmpdir

Add new case for basic live snapshot tests.

qemu_io_blkdebug: fix catcing exception for process.CmdError

Some updates for windows driver installation.

Correct the CmdError exception to get stderr, which is usefull for the caller
to parse and search specific messages.
Signed-off-by: NPing Li <pingl@redhat.com>

win_virtio_update: fix typo which affects test result

s/fail_falg/fail_flag
Signed-off-by: NWei Jiangang <weijg.fnst@cn.fujitsu.com>

mq_change_qnum.py: Using safe mode when execute cmd in guest via serial.

In serial sessions, frequently the kernel might print debug or
error messages that make read_up_to_prompt to timeout. Let's try
to be a little more robust and send a carriage return, to see if
we can get to the prompt when safe=True.
Signed-off-by: NCong Li <coli@redhat.com>

fix modprobe typo of virtio-scsi in in driver_load

Signed-off-by: NLin Ma <lma@suse.com>

qemu_img: improvements for the output

1. force create image for block testing.
2. ignore errors in get_installation_logs in finally part,
   which will blocks real failed reason.
3. no need compare current driver version as expected
   if driver is uninstalled.
Signed-off-by: NCong Li <coli@redhat.com>

Signed-off-by: NCong Li <coli@redhat.com>

For example,
'session.sendline(params.get("shutdown_command"))' was discarded,
"Shutdown command is sent, ..." is inapproprivate.
Signed-off-by: NWei Jiangang <weijg.fnst@cn.fujitsu.com>

Add cfg file for a slof case to boot guest with dataplane

Signed-off-by: NCong Li <coli@redhat.com>

generic.tests.ethtool: set offload status atomically

tp-qemu: add missing param in cfgs who call case "driver_in_use".

tp-qemu: single_driver_install: remove scenarios "downgrade" and "uninstall"

performance: Fix no attribute 'wait_for_login'

utils_test.wait_for_login had been replaced with vm.wait_for_login
You can refer to virt-test/feea4fd.
Signed-off-by: NWei Jiangang <weijg.fnst@cn.fujitsu.com>

cdrom: revert: add qtree info when test failed

Fix error of suppress_exception value

add sync-delimited set-user-password get-vcpus set-vcpus cmd support

suppress_exception always be True currently
Signed-off-by: NSuqin Huang <shuang@redhat.com>

Update block_resize test

Signed-off-by: NXu Han <xuhan@redhat.com>

Modify dd_timeout and the way getting qtree num_queues info…

Signed-off-by: NSuqin Huang <shuang@redhat.com>

hotplug/unplug memory tests update

watchdog: don't boot up VM for 'check_watchdog_support'

Signed-off-by: NWei Jiangang <weijg.fnst@cn.fujitsu.com>

fix the os version filter which cause problems

The dbd70861(2. add qtree info when test failed) introduced
NameError about 'vm'.
The reason is that no vm is passed to get_match_cdrom(),

And the order of (qtree_info, serial_num) is wrong.
Signed-off-by: NWei Jiangang <weijg.fnst@cn.fujitsu.com>

 driver_load: fix loading and unloading wrong modules

1) correct the comment and code format
2) remove unused variable
3) avoid call params.get() repeatly.
Signed-off-by: NWei Jiangang <weijg.fnst@cn.fujitsu.com>